/*global jQuery */
/*! 
* FitVids 1.0
*
* Copyright 2011, Chris Coyier - http://css-tricks.com + Dave Rupert - http://daverupert.com
* Credit to Thierry Koblentz - http://www.alistapart.com/articles/creating-intrinsic-ratios-for-video/
* Released under the WTFPL license - http://sam.zoy.org/wtfpl/
*
* Date: Thu Sept 01 18:00:00 2011 -0500
*/

(function ($) {

    $.fn.fitVids = function (options) {
        var settings = {
            customSelector: null
        }

        var div = document.createElement('div'),
        ref = document.getElementsByTagName('base')[0] || document.getElementsByTagName('script')[0];

        div.className = 'fit-vids-style';
        div.innerHTML = '&shy;<style>         \
      .fluid-width-video-wrapper {        \
         width: 100%;                     \
         position: relative;              \
         padding: 0;                      \
      }                                   \
                                          \
      .fluid-width-video-wrapper iframe,  \
      .fluid-width-video-wrapper object,  \
      .fluid-width-video-wrapper embed {  \
         position: absolute;              \
         top: 0;                          \
         left: 0;                         \
         width: 100%;                     \
         height: 100%;                    \
      }                                   \
    </style>';

        ref.parentNode.insertBefore(div, ref);

        if (options) {
            $.extend(settings, options);
        }

        return this.each(function () {
            var selectors = [
        "iframe[src^='http://player.vimeo.com']",
        "iframe[src^='http://www.youtube.com']",
        "iframe[src^='http://www.kickstarter.com']",
        "object",
        "embed"
      ];

            if (settings.customSelector) {
                selectors.push(settings.customSelector);
            }

            var $allVideos = $(this).find(selectors.join(','));

            $allVideos.each(function () {
                var $this = $(this);
                if (this.tagName.toLowerCase() == 'embed' && $this.parent('object').length || $this.parent('.fluid-width-video-wrapper').length) { return; }
                var height = this.tagName.toLowerCase() == 'object' ? $this.attr('height') : $this.height(),
            aspectRatio = height / $this.width();
                if (!$this.attr('id')) {
                    var videoID = 'fitvid' + Math.floor(Math.random() * 999999);
                    $this.attr('id', videoID);
                }
                $this.wrap('<div class="fluid-width-video-wrapper"></div>').parent('.fluid-width-video-wrapper').css('padding-top', (aspectRatio * 100) + "%");
                $this.removeAttr('height').removeAttr('width');
            });
        });

    }
})(jQuery);